publish-docker-image.yml

name: Publish splunk-otel-js Docker image to ghcr.io

on:
  release:
    types: [published]
  workflow_dispatch:

jobs:
  publish-image:
    runs-on: ubuntu-20.04
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@v3.5.3

      - uses: docker/setup-buildx-action@v2

      - name: Put GITHUB_REF_NAME into env
        run: echo GITHUB_REF_NAME=${GITHUB_REF_NAME} >> $GITHUB_ENV

      - name: Set the major version number
        run: echo MAJOR_VERSION=${GITHUB_REF_NAME} | sed -e 's/\..*//' >> $GITHUB_ENV

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v2.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: build and publish container
        uses: docker/build-push-action@v4.1.1
        with:
          push: true
          file: Dockerfile
          platforms: linux/amd64,linux/arm64,linux/ppc64le
          build-args: |
            RELEASE_VER=${{ env.GITHUB_REF_NAME }}
          tags: |
            ghcr.io/signalfx/splunk-otel-js/splunk-otel-js:latest
            ghcr.io/signalfx/splunk-otel-js/splunk-otel-js:${{ env.MAJOR_VERSION }}
            ghcr.io/signalfx/splunk-otel-js/splunk-otel-js:${{ env.GITHUB_REF_NAME }}